DK84421C
(en )
1958-02-17
Mold for the manufacture of protective channels of concrete for district heating pipes laid in the ground.
FR911837A
(en )
1946-07-22
Improvement in prestressed reinforced concrete pipes
DK81428C
(en )
1956-11-12
Form for the manufacture of protective ducts for district heating pipes laid in the ground.
AT178070B
(en )
1954-04-10
Pipe for the production of in-situ concrete piles
DK81552C
(en )
1956-12-10
Mold for making concrete pipes.
DK84900C
(en )
1958-05-19
Mold for the manufacture of concrete bodies.
DK90624C
(en )
1961-03-20
Building element in the form of a prefabricated plate element for use in connection with heating or cooling systems.
DK84358C
(en )
1958-02-03
Mold for making hollow bodies, in particular for making concrete pipes or similar moldable material.
DK84543C
(en )
1958-03-10
Thermal insulation bandage for pipes.
DK77536C
(en )
1954-05-10
Machine for making concrete stones.
FR1171341A
(en )
1959-01-23
Joint for prestressed concrete pipes
DK82856C
(en )
1957-06-03
Floor, composed of adjacent, rectangular concrete flakes or concrete slabs.
GR13882B
(en )
1952-10-18
REMOVABLE REINFORCED CONCRETE KIOSKS.
FR1065769A
(en )
1954-05-31
composite element for making flue pipes
DK93413C
(en )
1962-05-14
Swell of prestressed concrete.
GR17041B
(en )
1956-06-28
MANUFACTURE OF CONCRETE PIPES WITH SELF-PRESSURE.
DK83299C
(en )
1957-08-12
Mixer for the production of concrete and similar materials.
FR1072555A
(en )
1954-09-14
Special cement
DK88339C
(en )
1959-12-28
Mold for making fiber cement manifolds.
ES51749Y
(en )
1956-07-01
Parquet tiles intended for laying on a cement bed
DK89773C
(en )
1960-09-26
Method of making asbestos cement pipes.
FR1089775A
(en )
1955-03-22
Filling for expansion joints in hydraulic concrete coverings
DK67822C
(en )
1948-10-18
Apparatus for demoulding precast concrete pipes.
DK92459C
(en )
1961-12-27
Vaulted formwork plate for the production of concrete ribbed decks.
DK83935C
(en )
1957-11-25
Apparatus for making concrete socket pipes, preferably with prestressed reinforcement.